Lepper de, M. J. C., Scholten, H. J., & Stern, R. M. (1994). The added value of geographical information systems in public and envinmental health. Dordrecht: Kluwer Academic Publishers.
Παραπομπή Chicago StyleLepper de, Marion J. C., Henk J. Scholten, and Richard M. Stern. The Added Value of Geographical Information Systems in Public and Envinmental Health. Dordrecht: Kluwer Academic Publishers, 1994.
Παραπομπή MLALepper de, Marion J. C., Henk J. Scholten, and Richard M. Stern. The Added Value of Geographical Information Systems in Public and Envinmental Health. Dordrecht: Kluwer Academic Publishers, 1994.
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